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Replace the StyledNode trait with inherent methods.
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13 changed files with 36 additions and 68 deletions
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@ -8,7 +8,6 @@
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use animation;
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use context::SharedLayoutContext;
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use css::node_style::StyledNode;
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use data::LayoutDataWrapper;
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use incremental::{self, RestyleDamage};
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use smallvec::SmallVec;
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@ -1,56 +0,0 @@
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Style retrieval from DOM elements.
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use data::LayoutDataWrapper;
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use wrapper::{PseudoElementType, ThreadSafeLayoutNode};
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use style::properties::ComputedValues;
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use std::cell::Ref;
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use std::sync::Arc;
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/// Node mixin providing `style` method that returns a `NodeStyle`
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pub trait StyledNode {
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fn get_style<'a>(&self, layout_data_ref: &'a LayoutDataWrapper) -> &'a Arc<ComputedValues>;
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/// Returns the style results for the given node. If CSS selector matching has not yet been
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/// performed, fails.
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fn style<'a>(&'a self) -> Ref<'a, Arc<ComputedValues>>;
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/// Removes the style from this node.
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fn unstyle(self);
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}
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impl<'ln> StyledNode for ThreadSafeLayoutNode<'ln> {
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#[inline]
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fn get_style<'a>(&self, layout_data_ref: &'a LayoutDataWrapper) -> &'a Arc<ComputedValues> {
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match self.get_pseudo_element_type() {
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PseudoElementType::Before(_) => layout_data_ref.data.before_style.as_ref().unwrap(),
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PseudoElementType::After(_) => layout_data_ref.data.after_style.as_ref().unwrap(),
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PseudoElementType::Normal => layout_data_ref.shared_data.style.as_ref().unwrap(),
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}
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}
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#[inline]
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fn style<'a>(&'a self) -> Ref<'a, Arc<ComputedValues>> {
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Ref::map(self.borrow_layout_data(), |layout_data_ref| {
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let layout_data = layout_data_ref.as_ref().expect("no layout data");
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self.get_style(layout_data)
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})
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}
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fn unstyle(self) {
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let mut layout_data_ref = self.mutate_layout_data();
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let layout_data = layout_data_ref.as_mut().expect("no layout data");
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let style =
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match self.get_pseudo_element_type() {
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PseudoElementType::Before(_) => &mut layout_data.data.before_style,
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PseudoElementType::After (_) => &mut layout_data.data.after_style,
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PseudoElementType::Normal => &mut layout_data.shared_data.style,
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};
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*style = None;
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}
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}
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